US PATENT SUBCLASS 424 / 628
.~.~.~ Calcium compound of arsenic

Current as of: June, 1999
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424 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

600  DF  INORGANIC ACTIVE INGREDIENT CONTAINING {20}
617  DF  .~ Heavy metal or compound thereof {14}
620  DF  .~.~ Arsenic {9}
628.~.~.~ Calcium compound of arsenic

DEFINITION

Classification: 424/628

Calcium compound of arsenic:

(under subclass 620) Compositions which contain arsenic chemically combined with calcium; e.g., calcium arsenate, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

675, 678 and 682+, for compositions containing other calcium compounds.